<?php
/* $Id$ */
/*
	services_dhcp.php
	part of m0n0wall (http://m0n0.ch/wall)

	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
	All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice,
	   this list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright
	   notice, this list of conditions and the following disclaimer in the
	   documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	POSSIBILITY OF SUCH DAMAGE.
*/

##|+PRIV
##|*IDENT=page-services-dhcpserver
##|*NAME=Services: DHCP server page
##|*DESCR=Allow access to the 'Services: DHCP server' page.
##|*MATCH=services_dhcp.php*
##|-PRIV

require("guiconfig.inc");

if(!$g['services_dhcp_server_enable']) {
	Header("Location: /");
	exit;
}

$if = $_GET['if'];
if ($_POST['if'])
	$if = $_POST['if'];

/* if OLSRD is enabled, allow WAN to house DHCP. */
if($config['installedpackages']['olsrd']) {
	foreach($config['installedpackages']['olsrd']['config'] as $olsrd) {
			if($olsrd['enable']) {
				$is_olsr_enabled = true;
				break;
			}
	}
}

if (!$_GET['if'])
	$savemsg = "<b>DHCP服务只能在设置了静态IP地址的接口上启用。<p> 非静态地址的接口将不显示。</p></b>";

$iflist = get_configured_interface_with_descr();

/* set the starting interface */

if($config['interfaces']['lan']) {
	if (!$if || !isset($iflist[$if]))
		$if = "lan";
} else
	$if = "wan";



if (is_array($config['dhcpd'][$if])){
	if (is_array($config['dhcpd'][$if]['range'])) {
		$pconfig['range_from'] = $config['dhcpd'][$if]['range']['from'];
		$pconfig['range_to'] = $config['dhcpd'][$if]['range']['to'];
	}
	$pconfig['deftime'] = $config['dhcpd'][$if]['defaultleasetime'];
	$pconfig['maxtime'] = $config['dhcpd'][$if]['maxleasetime'];
	$pconfig['gateway'] = $config['dhcpd'][$if]['gateway'];
	$pconfig['domain'] = $config['dhcpd'][$if]['domain'];
	$pconfig['domainsearchlist'] = $config['dhcpd'][$if]['domainsearchlist'];
	list($pconfig['wins1'],$pconfig['wins2']) = $config['dhcpd'][$if]['winsserver'];
	list($pconfig['dns1'],$pconfig['dns2']) = $config['dhcpd'][$if]['dnsserver'];
	$pconfig['enable'] = isset($config['dhcpd'][$if]['enable']);
	$pconfig['denyunknown'] = isset($config['dhcpd'][$if]['denyunknown']);
	$pconfig['staticarp'] = isset($config['dhcpd'][$if]['staticarp']);
	$pconfig['ddnsdomain'] = $config['dhcpd'][$if]['ddnsdomain'];
	$pconfig['ddnsupdate'] = isset($config['dhcpd'][$if]['ddnsupdate']);
	list($pconfig['ntp1'],$pconfig['ntp2']) = $config['dhcpd'][$if]['ntpserver'];
	$pconfig['tftp'] = $config['dhcpd'][$if]['tftp'];
	$pconfig['ldap'] = $config['dhcpd'][$if]['ldap'];
	$pconfig['netboot'] = isset($config['dhcpd'][$if]['netboot']);
	$pconfig['nextserver'] = $config['dhcpd'][$if]['next-server'];
	$pconfig['filename'] = $config['dhcpd'][$if]['filename'];
	$pconfig['rootpath'] = $config['dhcpd'][$if]['rootpath'];
	$pconfig['failover_peerip'] = $config['dhcpd'][$if]['failover_peerip'];
	$pconfig['netmask'] = $config['dhcpd'][$if]['netmask'];
	if (!is_array($config['dhcpd'][$if]['staticmap'])) 
        	$config['dhcpd'][$if]['staticmap'] = array();
	staticmaps_sort($if);
	$a_maps = &$config['dhcpd'][$if]['staticmap'];
}

$ifcfgip = get_interface_ip($if);
$ifcfgsn = get_interface_subnet($if);


/*   set the enabled flag which will tell us if DHCP relay is enabled
 *   on any interface.   We will use this to disable DHCP server since
 *   the two are not compatible with each other.
 */

$dhcrelay_enabled = false;
$dhcrelaycfg = $config['dhcrelay'];

if(is_array($dhcrelaycfg)) {
	foreach ($dhcrelaycfg as $dhcrelayif => $dhcrelayifconf) {
		if (isset($dhcrelayifconf['enable']) &&
			(($dhcrelayif == "lan") ||
			(isset($config['interfaces'][$dhcrelayif]['enable']) &&
			$config['interfaces'][$dhcrelayif]['if'] && (!link_interface_to_bridge($dhcrelayif)))))
			$dhcrelay_enabled = true;
	}
}

function is_inrange($test, $start, $end) {
	if ( (ip2long($test) < ip2long($end)) && (ip2long($test) > ip2long($start)) )
		return true;
	else
		return false;
}

if ($_POST) {

	unset($input_errors);

	$pconfig = $_POST;

	/* input validation */
	if ($_POST['enable']) {
		$reqdfields = explode(" ", "range_from range_to");
		$reqdfieldsn = explode(",", "开始范围,结束范围");

		do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
		
		if (($_POST['range_from'] && !is_ipaddr($_POST['range_from']))) {
			$input_errors[] = "请输入有效的范围。";
		}
		if (($_POST['range_to'] && !is_ipaddr($_POST['range_to']))) {
			$input_errors[] = "请输入有效的范围。";
		}
		if (($_POST['gateway'] && !is_ipaddr($_POST['gateway']))) {
			$input_errors[] = "请输入有效的网关。";
		}
		if (($_POST['wins1'] && !is_ipaddr($_POST['wins1'])) || ($_POST['wins2'] && !is_ipaddr($_POST['wins2']))) {
			$input_errors[] = "请输入有效的WINS服务器。";
		}
		if (($_POST['dns1'] && !is_ipaddr($_POST['dns1'])) || ($_POST['dns2'] && !is_ipaddr($_POST['dns2']))) {
			$input_errors[] = "请输入有效的DNS服务器。";
		}
		if ($_POST['deftime'] && (!is_numeric($_POST['deftime']) || ($_POST['deftime'] < 60))) {
			$input_errors[] = "默认租期不得小于60秒。";
		}
		if ($_POST['maxtime'] && (!is_numeric($_POST['maxtime']) || ($_POST['maxtime'] < 60) || ($_POST['maxtime'] <= $_POST['deftime']))) {
			$input_errors[] = "最长租期必须大于60秒并且大于默认租期。";
		}
		if (($_POST['ddnsdomain'] && !is_domain($_POST['ddnsdomain']))) {
			$input_errors[] = "请为动态域名注册服务输入有效的域名。";
		}
		if (($_POST['ntp1'] && !is_ipaddr($_POST['ntp1'])) || ($_POST['ntp2'] && !is_ipaddr($_POST['ntp2']))) {
			$input_errors[] = "请为NTP时间服务器输入有效的IP地址";
		}
		if (($_POST['domain'] && !is_domain($_POST['domain']))) {
			$input_errors[] = "请输入有效的DNS域名。";
    }
		if (($_POST['tftp'] && !is_ipaddr($_POST['tftp']))) {
			$input_errors[] = "请为tftp服务器输入有效的域名";
		}
		if (($_POST['nextserver'] && !is_ipaddr($_POST['nextserver']))) {
			$input_errors[] = "A valid IP address must be specified for the network boot server.";
		}

		if (!$input_errors) {
			/* make sure the range lies within the current subnet */
			$subnet_start = (ip2long($ifcfgip) & gen_subnet_mask_long($ifcfgsn));
			$subnet_end = (ip2long($ifcfgip) | (~gen_subnet_mask_long($ifcfgsn)));

			if ((ip2long($_POST['range_from']) < $subnet_start) || (ip2long($_POST['range_from']) > $subnet_end) ||
			    (ip2long($_POST['range_to']) < $subnet_start) || (ip2long($_POST['range_to']) > $subnet_end)) {
				$input_errors[] = "输入的范围超出当前子网。";
			}

			if (ip2long($_POST['range_from']) > ip2long($_POST['range_to']))
				$input_errors[] = "无效的范围。";

			/* make sure that the DHCP Relay isn't enabled on this interface */
			if (isset($config['dhcrelay'][$if]['enable']))
				$input_errors[] = "您需要在{$iflist[$if]}上关闭DHCP转发后才能开启DHCP服务。";
		}
	}

	if (!$input_errors) {
		if (!is_array($config['dhcpd'][$if]))
			$config['dhcpd'][$if] = array();
		if (!is_array($config['dhcpd'][$if]['range']))
			$config['dhcpd'][$if]['range'] = array();

		$config['dhcpd'][$if]['range']['from'] = $_POST['range_from'];
		$config['dhcpd'][$if]['range']['to'] = $_POST['range_to'];
		$config['dhcpd'][$if]['defaultleasetime'] = $_POST['deftime'];
		$config['dhcpd'][$if]['maxleasetime'] = $_POST['maxtime'];
		$config['dhcpd'][$if]['netmask'] = $_POST['netmask'];
		$previous = $config['dhcpd'][$if]['failover_peerip'];
		if($previous <> $_POST['failover_peerip']) {
			mwexec("rm -rf /var/dhcpd/var/db/*");
		}
		$config['dhcpd'][$if]['failover_peerip'] = $_POST['failover_peerip'];

		unset($config['dhcpd'][$if]['winsserver']);
		if ($_POST['wins1'])
			$config['dhcpd'][$if]['winsserver'][] = $_POST['wins1'];
		if ($_POST['wins2'])
			$config['dhcpd'][$if]['winsserver'][] = $_POST['wins2'];

		unset($config['dhcpd'][$if]['dnsserver']);
		if ($_POST['dns1'])
			$config['dhcpd'][$if]['dnsserver'][] = $_POST['dns1'];
		if ($_POST['dns2'])
			$config['dhcpd'][$if]['dnsserver'][] = $_POST['dns2'];

		$config['dhcpd'][$if]['gateway'] = $_POST['gateway'];
		$config['dhcpd'][$if]['domain'] = $_POST['domain'];
		$config['dhcpd'][$if]['domainsearchlist'] = $_POST['domainsearchlist'];
		$config['dhcpd'][$if]['denyunknown'] = ($_POST['denyunknown']) ? true : false;
		$config['dhcpd'][$if]['enable'] = ($_POST['enable']) ? true : false;
		$config['dhcpd'][$if]['staticarp'] = ($_POST['staticarp']) ? true : false;
		$config['dhcpd'][$if]['ddnsdomain'] = $_POST['ddnsdomain'];
		$config['dhcpd'][$if]['ddnsupdate'] = ($_POST['ddnsupdate']) ? true : false;

		unset($config['dhcpd'][$if]['ntpserver']);
		if ($_POST['ntp1'])
			$config['dhcpd'][$if]['ntpserver'][] = $_POST['ntp1'];
		if ($_POST['ntp2'])
			$config['dhcpd'][$if]['ntpserver'][] = $_POST['ntp2'];

		$config['dhcpd'][$if]['tftp'] = $_POST['tftp'];
		$config['dhcpd'][$if]['ldap'] = $_POST['ldap'];
		$config['dhcpd'][$if]['netboot'] = ($_POST['netboot']) ? true : false;
		$config['dhcpd'][$if]['next-server'] = $_POST['nextserver'];
		$config['dhcpd'][$if]['filename'] = $_POST['filename'];
		$config['dhcpd'][$if]['rootpath'] = $_POST['rootpath'];

		write_config();

		/* static arp configuration */
		interfaces_staticarp_configure($if);

		$retval = 0;
		$retvaldhcp = 0;
		$retvaldns = 0;
		config_lock();
		/* dnsmasq_configure calls dhcpd_configure */
		/* no need to restart dhcpd twice */
		if (isset($config['dnsmasq']['regdhcpstatic']))	{
			$retvaldns = services_dnsmasq_configure();
			if ($retvaldns == 0) {
				if (file_exists($d_hostsdirty_path))
					unlink($d_hostsdirty_path);
				if (file_exists($d_staticmapsdirty_path))
					unlink($d_staticmapsdirty_path);
			}					
		} else {
			$retvaldhcp = services_dhcpd_configure();	
			if ($retvaldhcp == 0) {
				if (file_exists($d_staticmapsdirty_path))
					unlink($d_staticmapsdirty_path);
			}
		}	
		config_unlock();
		if($retvaldhcp == 1 || $retvaldns == 1)
			$retval = 1;
		$savemsg = get_std_save_message($retval);
	}
}

if ($_GET['act'] == "del") {
	if ($a_maps[$_GET['id']]) {
		unset($a_maps[$_GET['id']]);
		write_config();
		if(isset($config['dhcpd'][$if]['enable'])) {
			touch($d_staticmapsdirty_path);
			if (isset($config['dnsmasq']['regdhcpstatic']))
				touch($d_hostsdirty_path);
		}
		header("Location: services_dhcp.php?if={$if}");
		exit;
	}
}

$pgtitle = array("网络设置","DHCP服务");
$pgmenu = array('network', '/services_dhcp.php');
include("head.inc");

?>

<script type="text/javascript" language="JavaScript">

function enable_change(enable_over) {
	var endis;
	endis = !(document.iform.enable.checked || enable_over);
	document.iform.range_from.disabled = endis;
	document.iform.range_to.disabled = endis;
	document.iform.wins1.disabled = endis;
	document.iform.wins2.disabled = endis;
	document.iform.dns1.disabled = endis;
	document.iform.dns2.disabled = endis;
	document.iform.deftime.disabled = endis;
	document.iform.maxtime.disabled = endis;
	document.iform.gateway.disabled = endis;
//	document.iform.failover_peerip.disabled = endis;
	document.iform.domain.disabled = endis;
	document.iform.domainsearchlist.disabled = endis;
	document.iform.staticarp.disabled = endis;
//	document.iform.ddnsdomain.disabled = endis;
//	document.iform.ddnsupdate.disabled = endis;
//	document.iform.ntp1.disabled = endis;
//	document.iform.ntp2.disabled = endis;
//	document.iform.tftp.disabled = endis;
//	document.iform.ldap.disabled = endis;
//	document.iform.netboot.disabled = endis;
//	document.iform.nextserver.disabled = endis;
//	document.iform.filename.disabled = endis;
//	document.iform.rootpath.disabled = endis;
	document.iform.denyunknown.disabled = endis;
}

function show_ddns_config() {
	document.getElementById("showddnsbox").innerHTML='';
	aodiv = document.getElementById('showddns');
	aodiv.style.display = "block";
}

function show_ntp_config() {
	document.getElementById("showntpbox").innerHTML='';
	aodiv = document.getElementById('showntp');
	aodiv.style.display = "block";
}

function show_tftp_config() {
	document.getElementById("showtftpbox").innerHTML='';
	aodiv = document.getElementById('showtftp');
	aodiv.style.display = "block";
}

function show_ldap_config() {
	document.getElementById("showldapbox").innerHTML='';
	aodiv = document.getElementById('showldap');
	aodiv.style.display = "block";
}

function show_netboot_config() {
	document.getElementById("shownetbootbox").innerHTML='';
	aodiv = document.getElementById('shownetboot');
	aodiv.style.display = "block";
}

</script>

<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
<?php include("fbegin.inc"); ?>
<form action="services_dhcp.php" method="post" name="iform" id="iform">
<?php if ($input_errors) print_input_errors($input_errors); ?>
<?php if ($savemsg) print_info_box($savemsg); ?>
<?php 
	if ($dhcrelay_enabled) {
		echo "DHCP转发当前正在启用。DHCP转发启用时无法启用DHCP服务。";
		include("fend.inc"); 
		echo "</body>";
		echo "</html>";
		exit;
	}
?>
<?php if (file_exists($d_staticmapsdirty_path)): ?><p>
<?php print_info_box_np("静态映射配置已更改。<br>您需要应用更改使其生效。");?><br>
<?php endif; ?>
<div class="soft_cont_right_table">
<table width="100%" border="0" cellpadding="0" cellspacing="0">
  <tr><td>
  <?php
	/* active tabs */
	$tab_array = array();
	$tabscounter = 0;
	$i = 0;
	foreach ($iflist as $ifent => $ifname) {
        	$oc = $config['interfaces'][$ifent];
        	if (!is_ipaddr($oc['ipaddr']))
			continue;
		if ($ifent == $if)
			$active = true;
		else
			$active = false;
		$tab_array[] = array($ifname, $active, "services_dhcp.php?if={$ifent}");
		$tabscounter++;
	}
	if ($tabscounter == 0) {
		echo "</td></tr></table></form>";
		include("fend.inc");
		echo "</body>";
		echo "</html>";
		exit;
	}
	$tab_array[] = array('当前用户', false, "/diag_dhcp_leases.php");
	display_top_tabs($tab_array);
  ?>
  </td></tr>
  <tr>
    <td>
	<div id="mainarea">
              <table class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0">
                      <tr>
                        <td width="22%" valign="top" class="vtable">&nbsp;</td>
                        <td width="78%" class="vtable">
			  <input name="enable" type="checkbox" value="yes" <?php if ($pconfig['enable']) echo "checked"; ?> onClick="enable_change(false)">
                          <strong>在
                          <?=htmlspecialchars($iflist[$if]);?>
                              启用DHCP服务</strong></td>
                      </tr>
				  <tr>
	              <td width="22%" valign="top" class="vtable">&nbsp;</td>
                      <td width="78%" class="vtable">
			<input name="denyunknown" id="denyunknown" type="checkbox" value="yes" <?php if ($pconfig['denyunknown']) echo "checked"; ?>>
                      <strong>拒绝未知客户</strong><br>
                         如果选中该选项，只有在下面定义的客户可以获得DHCP租约。</td>
		      		  </tr>
                      <tr>
                        <td width="22%" valign="top" class="vncellreq">子网</td>
                        <td width="78%" class="vtable">
                          <?=gen_subnet($ifcfgip, $ifcfgsn);?>
                        </td>
                      </tr>
                      <tr>
                        <td width="22%" valign="top" class="vncellreq">子网掩码</td>
                        <td width="78%" class="vtable">
                          <?=gen_subnet_mask($ifcfgsn);?>
                        </td>
                      </tr>
                      <tr>
                        <td width="22%" valign="top" class="vncellreq">可用范围</td>
                        <td width="78%" class="vtable">
                          <?=long2ip(ip2long($ifcfgip) & gen_subnet_mask_long($ifcfgsn));?>
                          -
                          <?=long2ip(ip2long($ifcfgip) | (~gen_subnet_mask_long($ifcfgsn))); ?>
                        </td>
                      </tr>
					  <?php if($is_olsr_enabled): ?>
                      <tr>
                        <td width="22%" valign="top" class="vncellreq">子网掩码</td>
                        <td width="78%" class="vtable">
	                        <select name="netmask" class="formselect" id="netmask">
							<?php
							for ($i = 32; $i > 0; $i--) {
								if($i <> 31) {
									echo "<option value=\"{$i}\" ";
									if ($i == $pconfig['netmask']) echo "selected";
									echo ">" . $i . "</option>";
								}
							}
							?>
							</select>
                        </td>
                      </tr>
                      <?php endif; ?>
                      <tr>
                        <td width="22%" valign="top" class="vncellreq">范围</td>
                        <td width="78%" class="vtable">
                          <input name="range_from" type="text" class="formfld unknown" id="range_from" size="20" value="<?=htmlspecialchars($pconfig['range_from']);?>">
                          &nbsp;to&nbsp; <input name="range_to" type="text" class="formfld unknown" id="range_to" size="20" value="<?=htmlspecialchars($pconfig['range_to']);?>">
			</td>
                      </tr>
                      <tr>
                        <td width="22%" valign="top" class="vncell">WINS服务器</td>
                        <td width="78%" class="vtable">
                          <input name="wins1" type="text" class="formfld unknown" id="wins1" size="20" value="<?=htmlspecialchars($pconfig['wins1']);?>"><br>
                          <input name="wins2" type="text" class="formfld unknown" id="wins2" size="20" value="<?=htmlspecialchars($pconfig['wins2']);?>">
			</td>
                      </tr>
                      <tr>
                        <td width="22%" valign="top" class="vncell">DNS服务器</td>
                        <td width="78%" class="vtable">
                          <input name="dns1" type="text" class="formfld unknown" id="dns1" size="20" value="<?=htmlspecialchars($pconfig['dns1']);?>"><br>
                          <input name="dns2" type="text" class="formfld unknown" id="dns2" size="20" value="<?=htmlspecialchars($pconfig['dns2']);?>"><br>
			  注意：留空实用系统默认的DNS服务器（开启DNS转发时为本接口IP，否则使用一般设置中的DNS服务器设置）。  
			</td>
                      </tr>
                     <tr>
                       <td width="22%" valign="top" class="vncell">网关</td>
                       <td width="78%" class="vtable">
                         <input name="gateway" type="text" class="formfld host" id="gateway" size="20" value="<?=htmlspecialchars($pconfig['gateway']);?>"><br>
			 缺省使用本届口的IP地址作为网关。
			</td>
                     </tr>
                      <tr>
                       <td width="22%" valign="top" class="vncell">域</td>
                       <td width="78%" class="vtable">
                         <input name="domain" type="text" class="formfld unknown" id="domain" size="20" value="<?=htmlspecialchars($pconfig['domain']);?>"><br>
			</td>
                     </tr>
                      <tr>
                       <td width="22%" valign="top" class="vncell">域查询列表</td>
                       <td width="78%" class="vtable">
                         <input name="domainsearchlist" type="text" class="formfld unknown" id="domainsearchlist" size="20" value="<?=htmlspecialchars($pconfig['domainsearchlist']);?>"><br>
			</td>
                     </tr>                     
                      <tr>
                        <td width="22%" valign="top" class="vncell">默认租期</td>
                        <td width="78%" class="vtable">
                          <input name="deftime" type="text" class="formfld unknown" id="deftime" size="10" value="<?=htmlspecialchars($pconfig['deftime']);?>">
                              秒<br>
                              默认租期给不指定租期的客户使用。<br>
                              默认值是7200秒。
			</td>
                      </tr>
                      <tr>
                        <td width="22%" valign="top" class="vncell">最长租期</td>
                        <td width="78%" class="vtable">
                          <input name="maxtime" type="text" class="formfld unknown" id="maxtime" size="10" value="<?=htmlspecialchars($pconfig['maxtime']);?>">
                              秒<br>
                              客户可以请求的最长租期。<br>
                              默认值是86400秒。
			</td>
                      </tr>
                        <!--<tr>
                        <td width="22%" valign="top" class="vncell">Failover peer IP:</td>
                        <td width="78%" class="vtable">
				<input name="failover_peerip" type="text" class="formfld host" id="failover_peerip" size="20" value="<?=htmlspecialchars($pconfig['failover_peerip']);?>"><br>
				Leave blank to disable.  Enter the REAL address of the other machine.  Machines must be using CARP.
			</td>
		      </tr>-->
                      <tr>
                        <td width="22%" valign="top" class="vncell">静态ARP</td>
                        <td width="78%" class="vtable">
				<table>
					<tr>
						<td>
							<input valign="middle" type="checkbox" value="yes" name="staticarp" id="staticarp" <?php if($pconfig['staticarp']) echo " checked"; ?>>&nbsp;
						</td>
						<td>
							<b>启用静态ARP绑定</b>
						</td>
					</tr>
					<tr>
						<td>
							&nbsp;
						</td>
						<td>
							<span class="red"><strong>注意：</strong></span> 启用静态ARP绑定只有下面定义的客户才能进行通信。
						</td>
					</tr>
				</table>
			</td>
                      </tr>
                      <!--<tr>
                        <td width="22%" valign="top" class="vncell">动态DNS</td>
                        <td width="78%" class="vtable">
				<div id="showddnsbox">
					<input type="button" onClick="show_ddns_config()" value="高级"></input> - 显示动态DNS设置</a>
				</div>
				<div id="showddns" style="display:none">
					<input valign="middle" type="checkbox" value="yes" name="ddnsupdate" id="ddnsupdate" <?php if($pconfig['ddnsupdate']) echo " checked"; ?>>&nbsp;
					<b>启用DHCP客户的动态DNS注册。</b><br />
					<p>
					<input name="ddnsdomain" type="text" class="formfld unknown" id="ddnsdomain" size="20" value="<?=htmlspecialchars($pconfig['ddnsdomain']);?>"><br />
					注意：留空禁用动态DNS注册。<br />
				</div>
			</td>
		      </tr>
                      <tr>
                        <td width="22%" valign="top" class="vncell">NTP时间服务器</td>
                        <td width="78%" class="vtable">
				<div id="showntpbox">
					<input type="button" onClick="show_ntp_config()" value="高级"></input> - 显示NTP设置</a>
				</div>
				<div id="showntp" style="display:none">
					<input name="ntp1" type="text" class="formfld unknown" id="ntp1" size="20" value="<?=htmlspecialchars($pconfig['ntp1']);?>"><br>
					<input name="ntp2" type="text" class="formfld unknown" id="ntp2" size="20" value="<?=htmlspecialchars($pconfig['ntp2']);?>">
				</div>
			</td>
                      </tr>
                      <tr>
                        <td width="22%" valign="top" class="vncell">TFTP server</td>
                        <td width="78%" class="vtable">
				<div id="showtftpbox">
					<input type="button" onClick="show_tftp_config()" value="Advanced"></input> - Show TFTP configuration</a>
				</div>
				<div id="showtftp" style="display:none">
					<input name="tftp" type="text" class="formfld unknown" id="tftp" size="50" value="<?=htmlspecialchars($pconfig['tftp']);?>"><br>
					Leave blank to disable.  Enter a full hostname or IP for the TFTP server.
				</div>
			</td>
                      </tr>
                      <tr>
                        <td width="22%" valign="top" class="vncell">LDAP URI</td>
                        <td width="78%" class="vtable">
				<div id="showldapbox">
					<input type="button" onClick="show_ldap_config()" value="Advanced"></input> - Show LDAP configuration</a>
				</div>
				<div id="showldap" style="display:none">
					<input name="ldap" type="text" class="formfld unknown" id="ldap" size="80" value="<?=htmlspecialchars($pconfig['ldap']);?>"><br>
					Leave blank to disable.  Enter a full URI for the LDAP server in the form ldap://ldap.example.com/dc=example,dc=com
				</div>
			</td>
                      </tr>
                      <tr>
                        <td width="22%" valign="top" class="vncell">Enable Network booting</td>
                        <td width="78%" class="vtable">
				<div id="shownetbootbox">
					<input type="button" onClick="show_netboot_config()" value="Advanced"></input> - Show Network booting</a>
				</div>
				<div id="shownetboot" style="display:none">
					<input valign="middle" type="checkbox" value="yes" name="netboot" id="netboot" <?php if($pconfig['netboot']) echo " checked"; ?>>&nbsp;
					<b>Enables network booting.</b>
					<p>
					Enter the IP of the <b>next-server</b>
					<input name="nextserver" type="text" class="formfld unknown" id="nextserver" size="20" value="<?=htmlspecialchars($pconfig['nextserver']);?>">
					and the filename					
					<input name="filename" type="text" class="formfld unknown" id="filename" size="20" value="<?=htmlspecialchars($pconfig['filename']);?>"><br>
					Note: You need both a filename and a boot server configured for this to work!
				  <p>
					Enter the <b>root-path</b>-string
          <input name="rootpath" type="text" class="formfld unknown" id="rootpath" size="90" value="<?=htmlspecialchars($pconfig['rootpath']);?>"><br>
          Note: string-format: iscsi:(servername):(protocol):(port):(LUN):targetname
        </div>
			</td>
		                  </tr>-->
                      <tr>
                        <td width="22%" valign="top">&nbsp;</td>
                        <td width="78%">
                          <input name="if" type="hidden" value="<?=$if;?>">
                          <input name="Submit" type="submit" class="formbtn" value="保存" onclick="enable_change(true)">
                        </td>
                      </tr>
                      <tr>
                        <td width="22%" valign="top">&nbsp;</td>
                        <td width="78%"> <p><span class="vexpl"><span class="red"><strong>注意：<br>
                            </strong></span>在<a href="general_setup.php">系统信息：
                                一般设置</a> (或者开启了<a href="services_dnsmasq.php">DNS
                                转发</a>) </span><span class="vexpl">中设置的DNS服务器会被下发到DHCP客户。<br>
                            <br>
                            DHCP客户列表可以在<a href="diag_dhcp_leases.php">
                            DHCP客户</a>中查看。<br>
                            </span></p>
			</td>
                      </tr>
                    </table>
              <table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0">
                <tr>
                  <td width="25%" class="listhdrr">MAC地址</td>
                  <td width="15%" class="listhdrr">IP地址</td>
				  <td width="20%" class="listhdrr">主机名</td>
                  <td width="30%" class="listhdr">描述</td>
                  <td width="10%" class="list">
                    <table border="0" cellspacing="0" cellpadding="1">
                      <tr>
			<td valign="middle" width="17"></td>
                        <td valign="middle"><a href="services_dhcp_edit.php?if=<?=$if;?>"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0"></a></td>
                      </tr>
                    </table>
		  </td>
		</tr>
			  <?php if(is_array($a_maps)): ?>
			  <?php $i = 0; foreach ($a_maps as $mapent): ?>
			  <?php if($mapent['mac'] <> "" or $mapent['ipaddr'] <> ""): ?>
                <tr>
                  <td class="listlr" ondblclick="document.location='services_dhcp_edit.php?if=<?=$if;?>&id=<?=$i;?>';">
                    <?=htmlspecialchars($mapent['mac']);?>
                  </td>
                  <td class="listr" ondblclick="document.location='services_dhcp_edit.php?if=<?=$if;?>&id=<?=$i;?>';">
                    <?=htmlspecialchars($mapent['ipaddr']);?>&nbsp;
                  </td>
                  <td class="listr" ondblclick="document.location='services_dhcp_edit.php?if=<?=$if;?>&id=<?=$i;?>';">
                    <?=htmlspecialchars($mapent['hostname']);?>&nbsp;
                  </td>	
                  <td class="listbg" ondblclick="document.location='services_dhcp_edit.php?if=<?=$if;?>&id=<?=$i;?>';">
                    <?=htmlspecialchars($mapent['descr']);?>&nbsp;
                  </td>
                  <td valign="middle" nowrap class="list">
                    <table border="0" cellspacing="0" cellpadding="1">
                      <tr>
                        <td valign="middle"><a href="services_dhcp_edit.php?if=<?=$if;?>&id=<?=$i;?>"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" width="17" height="17" border="0"></a></td>
                        <td valign="middle"><a href="services_dhcp.php?if=<?=$if;?>&act=del&id=<?=$i;?>" onclick="return confirm('Do you really want to delete this mapping?')"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17" height="17" border="0"></a></td>
                      </tr>
                    </table>
                  </td>
                </tr>
		<?php endif; ?>
		<?php $i++; endforeach; ?>
		<?php endif; ?>
                <tr>
                  <td class="list" colspan="4"></td>
                  <td class="list">
                    <table border="0" cellspacing="0" cellpadding="1">
                      <tr>
			<td valign="middle" width="17"></td>
                        <td valign="middle"><a href="services_dhcp_edit.php?if=<?=$if;?>"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0"></a></td>
                      </tr>
                    </table>
                  </td>
                </tr>
              </table>
	</div>
    </td>
  </tr>
</table>
</div>
</form>
<script language="JavaScript">
<!--
enable_change(false);
//-->
</script>
<?php include("fend.inc"); ?>
</body>
</html>
